C# Language Simple Complete Threading Demo

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Example

class Program
{
    static void Main(string[] args)
    {
        // Create 2 thread objects.  We're using delegates because we need to pass 
        // parameters to the threads.  
        var thread1 = new Thread(new ThreadStart(() => PerformAction(1)));
        var thread2 = new Thread(new ThreadStart(() => PerformAction(2)));

        // Start the threads running 
        thread1.Start();
        // NB: as soon as the above line kicks off the thread, the next line starts; 
        // even if thread1 is still processing.
        thread2.Start();

        // Wait for thread1 to complete before continuing
        thread1.Join();
        // Wait for thread2 to complete before continuing
        thread2.Join();

        Console.WriteLine("Done");
        Console.ReadKey();
    }

    // Simple method to help demonstrate the threads running in parallel.
    static void PerformAction(int id)
    {
        var rnd = new Random(id);
        for (int i = 0; i < 100; i++)
        {
            Console.WriteLine("Thread: {0}: {1}", id, i);
            Thread.Sleep(rnd.Next(0, 1000));
        }
    }
}
Simple Complete Threading Demo using Tasks